Air conditioner



FIG. 1 is a front, bottom and right side perspective view of an air conditioner, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof, the broken line disclosure understood to represent unclaimed portions of the article in which the claimed design is embodied;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged vertical cross-sectional view thereof taken along line 8-8 of FIG. 2, with broken line disclosure of internal elements understood to represent unclaimed portions of the article in which the claimed design is embodied;

FIG. 9 is an additional enlarged vertical cross-sectional view thereof taken along line 9-9 of FIG. 2, with broken line disclosure of internal elements understood to represent unclaimed portions of the article in which the claimed design is embodied; and,

FIG. 10 is an additional front, bottom and right side perspective view showing the claimed design in a state of use.

The broken lines in all views are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an air conditioner, as shown and described. 